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What Exactly Was the Christmas Star?
The Star of Bethlehem may not have actually been a star
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Scientists Are Searching for Space Chemicals That Could Never Exist on Earth
Bizarre chemicals in deep space could help explain the origins of life
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Two Sparkling Meteor Showers Will Bookend the New Year
Sky-watchers should be on the lookout in coming weeks for the Ursid and Quadrantid showers
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Poltergeist and Quijote Are Among the New Approved Names for Alien Planets
People in 45 countries submitted ideas for naming exoplanets and their host stars after legends and literature
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Catch a Glimpse of the Comet Catalina and the Geminid Meteor Shower
The meteor shower peaks next week as comet Catalina gets closer throughout the month
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A Space-Based Physics Lab Could Help Scientists Study How Gravity Warps Spacetime
The LISA Pathfinder Probe could help reveal the ripples caused by black holes and supernovae
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Court Revokes the Construction Permit for Contentious Hawaiian Telescope
Protestors physically blocked access to the Mauna Kea construction site for more than a year and now the project faces another roadblock
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Look to the Skies This Month for the Pleiades Star Cluster
The Seven Sisters will shine bright from dusk till dawn for the rest of November
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A New Earth-Sized Planet Is Getting Astronomers Riled Up
It could be a rare opportunity for scientists to study an exoplanet’s atmosphere
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Orion’s Return, Falling Fireballs and Other Treats in November’s Night Skies
A constellation rises as the Leonid and Taurid Meteor Showers return
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92 Percent of Possible Earth Twins Have Yet to Be Born
Our young universe promises trillions of more planets to come
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The Orionid Meteor Shower and Rare Planetary “Dance” Make This a Lucky Week for Stargazers
Here’s what the night sky has to offer this week
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The Photos of the Rare Supermoon/Lunar Eclipse Convergence Do Not Disappoint
Take in the majesty of the unusual astrophysical event with these photos captured around the world
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The Theory of Relativity, Then and Now
Albert Einstein’s breakthrough from a century ago was out of this world. Now it seems surprisingly down-to-earth
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Black Holes Might Catapult Rogue Supernovas Into Space
Like being fired from a slingshot at 4.5 million miles an hour
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Watch the Perseids Peak This Week
Summer’s stunning meteor shower is sure to please stargazers
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These Super-Dense Galaxies Are Bursting With Stars
Life in these systems would have trouble starting, but the night skies would be spectacular to behold
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Philae Proves There’s More to Comets Than Dust and Ice
The lander found organic compounds on comet 67P
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